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Product Detailed Parameters
- Description：IC CURR SENSE 1 CIRCUIT SOT23-5
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Amplifier Type：Current Sense
- Number of Circuits：1
- Output Type：-
- Slew Rate：2.5V/µs
- Gain Bandwidth Product：-
- Current - Input Bias：20 µA
- Voltage - Input Offset：10 µV
- Current - Supply：1.5mA
- Current - Output / Channel：-
- Voltage - Supply Span (Min)：2.7 V
- Voltage - Supply Span (Max)：20 V
- Operating Temperature：-40°C ~ 125°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：SC-74A, SOT-753
- Supplier Device Package：SOT-23-5
- -3db Bandwidth：1 MHz
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Overview
The INA293B3IDBVR is a unidirectional current sense amplifier from Texas Instruments, housed in a 5-pin SOT-23 package. It supports a common-mode voltage range of -4 V to 110 V and operates with supply voltages between 2.7 V and 20 V. The device features a fixed gain of 100 V/V, a 3-dB bandwidth of 1 MHz, and a maximum input offset voltage of 10 µV. It draws 1.5 mA of quiescent current and maintains an operating temperature range from -40°C to +125°C.
Feature Summary
- Provides ultra-precise current sensing with high common-mode voltage tolerance up to 110 V
- Delivers high bandwidth performance for fast transient response applications
- Ensures measurement accuracy through low input offset voltage and high common-mode rejection ratio
Applications
- Industrial motor control systems
- Power supply output monitoring
- Battery management systems
Procurement Notes
Verify the specific suffix IDBVR corresponds to the SOT-23-5 surface-mount package and tape-and-reel delivery format. Confirm that the B3 grade meets the required offset voltage specifications for your application. Ensure compatibility with the -4 V to 110 V common-mode voltage range during system design validation.
Selection Notes
Select this component when high-voltage common-mode operation is required alongside precision DC and AC current measurements. The fixed 100 V/V gain simplifies signal conditioning for microcontrollers or ADCs. Consider the 1 MHz bandwidth for applications requiring faster response times compared to lower-bandwidth alternatives.
Part Context
This device belongs to the INA293 family of high-precision current sense amplifiers designed for demanding industrial environments. It offers a compact footprint suitable for space-constrained PCB layouts while maintaining robust performance under high common-mode voltages typical in power distribution networks.
Replacement Considerations
INA293A3IDBVR: Offers similar functionality with potentially different initial offset voltage accuracy grades within the same package and electrical constraints.
